#include<stdio.h>
struct Student
    {
        int num;
        char name[20];
        float score;
    };
int main()
    {
        struct Student stu[5]={{10101,"Zhang",78},{10103,"Wang",98.5},{10106,"Li",86},
                {10108,"Ling",73.5},{10110,"Sun",100}};
        struct Student temp;
        const int n=5;
        int i,j,k;
        printf("The order is:\n");
        for(i=0;i<n-1;i++)
            {
                k=i;
                for(j=i+1;j<n;j++)
                    if(stu[j].score>stu[k].score)
                        k=j;
                temp=stu[k];stu[k]=stu[i];stu[i]=temp;
            } 
        for(i=0;i<n;i++)
            printf("%6d %8s %6.2f\n",stu[i].num,stu[i].name,stu[i].score);
        printf("\n");
        return 0;
    }
